Home / 139,189.69-192,083.03-75,528.01

Finding the Fourth Proportional to 139,189.69, 192,083.03 and 75,528.01

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Solution

The fourth proportional to 139,189.69, 192,083.03 and 75,528.01 is: 104,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,189.69 : 192,083.03 = 75,528.01 : x
  2. Step 2: Convert to fraction form
    139,189.69/192,083.03 = 75,528.01/x
  3. Step 3: Cross multiply
    139,189.69x = 192,083.03 × 75,528.01
  4. Step 4: Simplify right side
    139,189.69x = 14,507,649,010.67
  5. Step 5: Solve for x
    x = 14,507,649,010.67/139,189.69
  6. Step 6: Final answer
    x = 104,229.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.